Side by side

Formex Essence ThirtyNinevsZelos Hammerhead (Tantalum LE)

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

Essence ThirtyNine
FormexEssence ThirtyNine
MSRP $2,390
Hammerhead (Tantalum LE)
ZelosHammerhead (Tantalum LE)
MSRP $1,499

At a glance

13 of 29 specs differ
Diameter
Essence ThirtyNine39mm
Hammerhead (Tantalum LE)44mm
Power Reserve
Essence ThirtyNine41h
Hammerhead (Tantalum LE)40h
Water Resistance
Essence ThirtyNine100m
Hammerhead (Tantalum LE)300m
MSRP
Essence ThirtyNine$2,390
Hammerhead (Tantalum LE)$1,499

Full specifications

Case

7 specs
Category
Dress
Diver
Diameter
39mm
44mm
Thickness
10mm
13mm
Lug-to-Lug
45mm
44mm
Lug Width
20mm
22mm
Material
Stainless Steel
Titanium
Water Resistance
100m
300m

Crystal & Dial

3 specs
Crystal
Sapphire
Domed Sapphire
Dial Color
Space Ghost
Tantalum LE
Lume
Super-LumiNova
None

Movement

2 specs
Caliber
Sellita SW200-1
Seiko NH35
Power Reserve
41h
40h

Pricing

1 specs
MSRP
$2,390
$1,499

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What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Formex Essence ThirtyNine

The Formex Essence ThirtyNine is praised for its impressive build quality and value, featuring a patented case suspension system for comfort and protection. It houses a COSC-certified Sellita SW200-1 movement with a 38-hour power reserve and a tool-free strap quick-release system. A minor inconvenience noted is the specific closing order of the clasp. On balance, reviewers rate the Formex Essence ThirtyNine highly for its comfortable wearability and excellent value at its price point.

Zelos Hammerhead (Tantalum LE)

The Zelos Hammerhead (Tantalum LE) features a forged carbon dial and bezel insert with infused lume. On balance, owners and reviewers rate the Zelos Hammerhead (Tantalum LE) highly for its unique material composition and substantial feel.

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